Revert "Minerva is responsible for turning on WikimediaEvents itself"

While harmless, this patch is not needed if we take a
different approach as discussed in
https://phabricator.wikimedia.org/T204144#4612790

This reverts commit 01dc9de92e.

Change-Id: Id2fdd8677042121142ab2663edfa0ee400b8bf22

resources/skins.minerva.scripts/init.js

@@ -3,7 +3,6 @@
 		toast = M.require( 'mobile.startup/toast' ),
 		time = M.require( 'mobile.startup/time' ),
 		skin = M.require( 'mobile.init/skin' ),
-		subscribeToWikimediaEvents = M.require( 'skins.minerva.scripts/subscribeToWikimediaEvents' ),
 		issues = M.require( 'skins.minerva.scripts/pageIssues' ),
 		DownloadIcon = M.require( 'skins.minerva.scripts/DownloadIcon' ),
 		browser = M.require( 'mobile.startup/Browser' ).getSingleton(),
@@ -290,9 +289,6 @@
 		if ( !page.isMissing ) {
 			issues.init( overlayManager, page );
 		}
-		// it's important this runs after issues.init - at which point the A/B test
-		// has been initialised, and we can turn on ReadingDepth safely.
-		subscribeToWikimediaEvents();
 	} );
 
 	M.define( 'skins.minerva.scripts/overlayManager', overlayManager );

resources/skins.minerva.scripts/initLogging.js

@@ -3,16 +3,7 @@
 ( function ( M, $ ) {
 	var mainMenu = M.require( 'skins.minerva.scripts.top/mainMenu' );
 
-	/**
-	 * Enable WikimediaEvents including ReadingDepth schema
-	 */
-	function subscribeToWikimediaEvents() {
-		mw.loader.using( 'ext.wikimediaEvents' );
-	}
-
 	$( function () {
 		mainMenu.enableLogging();
 	} );
-
-	M.define( 'skins.minerva.scripts/subscribeToWikimediaEvents', subscribeToWikimediaEvents );
 }( mw.mobileFrontend, jQuery ) );

skin.json

@@ -424,7 +424,6 @@
 			},
 			"scripts": [
 				"resources/skins.minerva.scripts/errorLogging.js",
-				"resources/skins.minerva.scripts/initLogging.js",
 				"resources/skins.minerva.scripts/preInit.js",
 				"resources/skins.minerva.scripts/DownloadIcon.js",
 				"resources/skins.minerva.scripts/pageIssuesLogger.js",
@@ -433,6 +432,7 @@
 				"resources/skins.minerva.scripts/PageIssuesOverlay.js",
 				"resources/skins.minerva.scripts/pageIssues.js",
 				"resources/skins.minerva.scripts/init.js",
+				"resources/skins.minerva.scripts/initLogging.js",
 				"resources/skins.minerva.scripts/mobileRedirect.js",
 				"resources/skins.minerva.scripts/search.js",
 				"resources/skins.minerva.scripts/references.js"